A handful of good cnc engineering solutions images I located:
Image by Caliper Studio
Center stringer comfort stair connects two workplace floors in Starret Lehigh creating. Stringer and slab edge assemblies are blackened. Twenty 4 stainless steel treads are welded to the stringer form a continuous ribbon. 1 1/4" diameter handrail posts are continuous bent "C" shapes that wrap around treds and are welded to stringer. Stair was delivered to web site in 1 piece [24′ lengthy 3′ wide 3′ tall @ 2000lbs. Glass is two 1/two" layers of low iron tempered glass with PVB interlayer. Each and every panel is a 148.375"x41.25" rectangle that weighs 522lbs. Cut out in concrete floor is trimmed with a box of 1/2" thick blackened steel that was fully prewelded in the shop. The box picks up the load at top of stair and serves as a custom base shoe for the glass.
Design and style by Diller Scofidio + Renfro
Detailing, Fabrication and Installation by Caliper Studio. Caliper Studio engaged Eckersley O’Callaghan & partners for engineering solutions.